KROSER Laptop Backpack is made with high-quality material poly fabric which functions as a water-repellent. The bag is designed in such a way that it can stand upright without falling. The bag can be wear for a long time without having any problems or getting tired because of the well-padded foam fits closely to your back tightly. It comes with a luggage belt which helps you transport your luggage together with your backpack when buckled to the luggage. The bag has a dimension of 18.5 x 13.3 x 7.8 inches and weighs 2.64LBS. It can hold up to 17.3-inches laptop. It has an inbuilt USB outlet which you can use to charge your phone, tablet or iPod on the go. The bag itself does not come with a power bank so, in order to use the charger, you need a power bank. The backpack has 3 main pockets, 7 inner small pockets, and 2 sealed side pockets which provides a separated space for your Laptop, iPhone, iPad, pen, keys, wallet, books, clothes, bottle, to mention but a few. The backpack is designed in a way that it is easy to find anything without looking harder.